Directório de AS & ASN IPv4
| Intervalo IP | CIDR | ASN | AS Name | |
|---|---|---|---|---|
| 12.203.159.0 a 12.203.159.255 | 12.203.159.0/24 | AS7018 | AT&T Services Inc. | Veja Intervalo |
| 12.203.160.0 a 12.203.160.255 | 12.203.160.0/24 | AS54834 | Custom Data Processing | Veja Intervalo |
| 12.203.161.0 a 12.203.161.255 | 12.203.161.0/24 | AS18641 | Data Consultants Corp. | Veja Intervalo |
| 12.203.162.0 a 12.203.163.255 | 12.203.162.0/23 | AS18641 | Data Consultants Corp. | Veja Intervalo |
| 12.203.164.0 a 12.203.164.255 | 12.203.164.0/24 | AS7018 | AT&T Services Inc. | Veja Intervalo |
| 12.203.165.0 a 12.203.165.255 | 12.203.165.0/24 | AS2386 | AT&T Data Communications Services | Veja Intervalo |
| 12.203.166.0 a 12.203.167.255 | 12.203.166.0/23 | AS7018 | AT&T Services Inc. | Veja Intervalo |
| 12.203.168.0 a 12.203.168.255 | 12.203.168.0/24 | AS398026 | Indianapolis Airport Authority | Veja Intervalo |
| 12.203.169.0 a 12.203.169.255 | 12.203.169.0/24 | AS7018 | AT&T Services Inc. | Veja Intervalo |
| 12.203.170.0 a 12.203.171.255 | 12.203.170.0/23 | AS7018 | AT&T Services Inc. | Veja Intervalo |
| 12.203.172.0 a 12.203.175.255 | 12.203.172.0/22 | AS7018 | AT&T Services Inc. | Veja Intervalo |
| 12.203.176.0 a 12.203.191.255 | 12.203.176.0/20 | AS7018 | AT&T Services Inc. | Veja Intervalo |
| 12.203.192.0 a 12.203.195.255 | 12.203.192.0/22 | AS7018 | AT&T Services Inc. | Veja Intervalo |
| 12.203.196.0 a 12.203.196.255 | 12.203.196.0/24 | AS7018 | AT&T Services Inc. | Veja Intervalo |
| 12.203.197.0 a 12.203.197.255 | 12.203.197.0/24 | AS22034 | McMaster Carr Supply Company | Veja Intervalo |
| 12.203.198.0 a 12.203.199.255 | 12.203.198.0/23 | AS7018 | AT&T Services Inc. | Veja Intervalo |
| 12.203.200.0 a 12.203.207.255 | 12.203.200.0/21 | AS7018 | AT&T Services Inc. | Veja Intervalo |
| 12.203.208.0 a 12.203.223.255 | 12.203.208.0/20 | AS7018 | AT&T Services Inc. | Veja Intervalo |
| 12.203.224.0 a 12.203.255.255 | 12.203.224.0/19 | AS7018 | AT&T Services Inc. | Veja Intervalo |
| 12.204.0.0 a 12.204.31.255 | 12.204.0.0/19 | AS7018 | AT&T Services Inc. | Veja Intervalo |
| 12.204.32.0 a 12.204.35.255 | 12.204.32.0/22 | AS7018 | AT&T Services Inc. | Veja Intervalo |
| 12.204.36.0 a 12.204.36.255 | 12.204.36.0/24 | AS7018 | AT&T Services Inc. | Veja Intervalo |
| 12.204.37.0 a 12.204.37.255 | 12.204.37.0/24 | AS22040 | Linxus Internet | Veja Intervalo |
| 12.204.38.0 a 12.204.38.255 | 12.204.38.0/24 | AS7018 | AT&T Services Inc. | Veja Intervalo |
| 12.204.39.0 a 12.204.39.255 | 12.204.39.0/24 | AS22040 | Linxus Internet | Veja Intervalo |
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